[Talk-us] Highway ref on way or relation?

[Kevin Kenny]

On Tue, Jul 5, 2022 at 5:17 PM Paul Johnson <baloo at ursamundi.org> wrote:

> We should have some serious discussion about killing the dinosaur and
> letting ref=* refer to whatever that way is referred to as instead of using
> it to describe whatever route it's a member of.  This exact situation is
> one of the motivating factors for introducing relations as a primitive in
> the first place, and it's been, what, 15 years since that happened?
> Anything that's not rendering relations now is unmaintained and not going
> to do so.
>

There's an obvious subtext there. "OSM-Carto is unmaintained."  I don't
think we're (yet?) in a position to ignore it, though.

In order for us to make it mostly irrelevant in the US, not only would
Americana need to be a more complete rendering, but it would also need to
support rapid incremental updates.  I'd guess that a majority of mappers
use OSM-Carto to check their work because it gives feedback within a few
minutes of whether changes to the map have produced the intended result.
Incremental updates in the rendering chain being used at present in
Americana are as yet an unsolved problem. It depends on materialized views.
While it's very fast to render (the whole planet in a couple of hours, if
memory serves?), there doesn't seem to be any fast way to have it make
incremental changes.

Managing tile caches, even for the existing raster tile infrastructure, is
something of a black art. All of the packaged ones are nearly abandonware
in terms of maintenance, and tend to depend on specific configurations of
Web server and application server that I've been unwilling or unable to
reproduce. (For example, I refuse to deploy Apache+PHP on my home server -
the attack surface of that configuration is simply too broad.)
-- 
73 de ke9tv/2, Kevin
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